B3311331313231311331322331333132333132233131333132322331323132322131   >>    B331133131323131133132233133313233313223313133313232233132313232213   <<    B3311331313231311331322331333132333132233131333132322331323132322133   >>      B3311331313231311331322331333132333132233131333132322331323132322132   >>